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Technics SA-5170 - Page 6

Technics SA-5170
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@
ALIGNMENT
INSTRUCTIONS
...
FM
AND
AM
TUNER
CIRCUIT
NOTE
For
adjustment,
proceed
with
the
bottom
board
attached
as
it
is.
10
Notes:
i.
‘Selectorswitch)
assess
a5
2.
FM
Muting
/mode
switch
4.
Tape
monitor
switch.....
eae
Meee
on/FM
a
3.
Maintain
line
voltage
at
rated
voltage.
Source
8.
3009
FM
dummy
antenna.....
Refer
to
fig.
7.
AM
(AM
Alignment)
5.
Speakers
switch..................
MAIN
and
REMOTE
to
ON
FM
(FM
Alignment)
6.
Volume
control...................
Variable
utoO
7.
Output
of
signal
generator
should
be
no
higher
than
necessary
to
obtain
an
output
reading.
CONNECTION
AM/FM
SIGNAL
GENERATOR
FREQUENCY
DIAL
SETTING
ADJUSTMENT
POINTS
INDICATOR
(VTVM
or
SCOPE)
(DISTORTION
METER)
AM
ALIGNMENT
AM
antenna
trimmer
wit
terminal.
Fashion
loop
of
several
Fashion
loop
of
several
signal
into
loop
of
receiver.
AM
signal
generator
high
455kHz
side
through
0.0014/F
to
(30%
Mod.
(Set
for
England
to
470kHz]
600kHz
turns
of
wire
and
radiate
(30%
Mod.
signal
into
loop
of
receiver.|_
with
400Hz)
1500kHz
turns
of
wire
and
radiate
(30%
Mod.
with
400Hz)
h
400Hz)
No
signal
Point
of
non-
inter-ference
Point
of
non-
inter-
ference
|
Connect
VTVM
or
scope
to
speaker
terminal(L
or
R)
or
TP201
of
set.
T201
(1st
IFT)
T202
(2nd
IFT)
output.
Connect
VTVM
or
scope
.
to
speaker
terminal(L
or
R)
L202
(OSC
Coil)
600kHz
or
TP201
of
set.
L201
(ANT
Coil)
Connect
VTVM
or
scope
to
speaker
terminal
(L
or
R)
or
TP201
of
set.
IF
ALIGNMENT
CT5
(OSC
Trimmer)
CT4
(ANT
Trimmer)
1500kHz
output.
FM
T101
(Discri
|FT)
Primary
[A]
FM
Tuning
meter
of
set
cation.
Connect
FM
signal
gene-
rator
to
3002
FM
antenna
terminals
through
FM
dummy
antenna.
Connect
FM
signal
gene-
dummy
antenna.
Connect
FM
signal
gene-
100MHz
rator
to
3002
FM
antenna
(10
terminals
through
FM
with
400Hz)
dummy
antenna.
Connect
FM
signal
gene-
rator
to
3002
FM
antenna
100MHz
terminals
through
(10
FM
dummy
antenna.
with
400Hz)
Apply
16dB
(6.34V)to
set.
SG
indication
are
28dB
(IHF)
9OMHz
(100%
Mod.
with
400Hz)
rator
to
3002
FM
antenna
pCi
ite
terminals
through
FM
(100%
Mod.
9
with
400Hz)
10%
Mod.
10%
Mod.
FM
MONO
DISTORTION
ALIGNMENT
FM
RF
ALIGNMENT
Connect
VTVM
or
scope
L6
(OSC
Coil)
Q9O0MHz
to
speaker
terminal(L
or
R)
L4
(DET
Coil)
or
TP101
of
set.
L1
(ANT
Coil)
output.
Connect
VTVM
or
scope
to
speaker
terminal
(L
or
R)
or
TP101
of
set.
CT3
(OSC
Trimmer)
CT2
(DET
Trimmer)
CT1
(ANT
Trimmer)
106MHz
ce
sede
nclal
i
T101
(Discri
1FT)
and
adjust
for
mini-
(L)
of
set
Secondary
[B]
mum
distortion.
:
Repeat
steps
(4)
and
(7).
FM
MUTING
LEVEL
ALIGNMENT
Connect
VTVM
or
Muting
switch
to
“on”
100MHz
scope
to
speaker
(L
or
R)
VR101
Adjust
so
that
output
terminal
of
set.
can
be
obtained.
REMARKS
Adjust
for
maximum
output.
Adjust
L201
by
moving
coil
bobbin
along
ferrite
core.
Adjust
for
maximum
Adjust
for
maximum
Adjust
for
maximum
output.
Repeat
steps
(5)
and
(6).
Adjust
for
maximum
Repeat
steps
(2)
and
(3).
Adjust
for
center
of
tuning
meter
indi-
Tuning
at
10OMHz
Using
a
freque
FM
MPX
PILOT
ALIGNMENT
ncy
counter
Using
alternate
system
BONS
2.
Adjust
VR301
until
stereo
indicator
lights
up.
STEREO
SEPARATION
ALIGNMENT
98MHz
Non-modulated
mono
signal
applied
to
set.
1.
Apply
stereo
signal
from
generator
or
stereo
station
to
receiver.
FM
Muting/Mode
switch
to
‘’on/FM
auto”’.
Connect
frequency
counter
to
TP301
through
resistor
(100
k2).
Cement
arm
of
VR301
as
shown
in
fig.
8.
Adjust
VR301
to
19kHz
+30Hz.
*
Connect
stereo
modulator
output
to
EXT.
MOD.
terminal
of
signal
generator.
Notes:
i.
Stereo
modulator
.........<¢506
«Internal
OSC
.....
1kHz
*Pilot
signal
modulation
..........
hy
2.
FM
signal
generator..........
¢
Frequency
approximately
98MHz.
-Output
level
to
72dB
(IHF)
«Modulation
mode
to
FM
3.
Band
selector
switch
.........
FM
4.
FM
Muting
/
mode
switch.
.<..
csc...
.
on/FM
auto
FM
SIGNAL
GENERATOR
STEREO
MODULATOR
INDICATOR
ADJUSTMENT
REMARK
CONNECTION
MODE
AND
MOD.
RATE
(VTVM
or
SCOPE)
POINT
:
Connect
VTVM
or
scope
to
Adjust
for
minimum
3002
FM
antenna
terminals
eae
a
lati
output
terminals
through
low
pass
VR302
right
(and
left)
output
through
FM
dummy
antenna
/
Modulation
filter.
Refer
to
fig.
9.
112.50
760
1500
|
To
SG
|
(SG
imp.
752)
|
|
|
To
Tuner
3002
FM
Dummy
Antenna
Fig.
7
(Abb.
[6]
SA-5170
7)
To
Tuner
1K
VR301
4
1
1
!
!
!
!
I
|
!
J
r-|-------
A-B,
D-—E:
Stereo
OFF
Position.
B-D:
Stereo
ON
Position
(Indicator
Lighting)
Cc:
Adjust
Point
of
Pilot
Circuit.
LOW
PASS
FILTER
(fc
=
15kHz
~19kHz)
Fig.
9
(Abb.
9)
Fig.
8
(Abb.
8)
To
Output
Meter

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